2009-2010学年黑龙江省大庆实验中学高二上学期期末考试（英语）

适用年级：高二
试卷号：90427

试卷类型：期末
试卷考试时间：2017/7/19

1.单项选择(共1题)

I just don’t understand ______ that leads to so many teenagers becoming addicted to playing computer games.

A．why it does

B．what it does

C．what it is

D．why it is

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试卷分析